The cost to install a gas fireplace in 2025 can vary widely depending on the type of fireplace, installation complexity, and local factors (like Phoenix-area construction rates). Here’s a detailed breakdown to help you estimate your budget:
π₯ Average Gas Fireplace Installation Cost in 2025
Type of Installation | Estimated Cost Range |
---|---|
Vented Gas Fireplace | $3,500 β $7,500+ |
Ventless Gas Fireplace | $2,000 β $4,500 |
Gas Fireplace Insert | $2,000 β $5,500 |
New Construction (Framing + Gas Line) | $6,000 β $12,000+ |
Outdoor Gas Fireplace | $4,000 β $10,000+ |
π Phoenix, AZ prices tend to be mid-to-high range due to material costs and code requirements.
π‘ What’s Included in the Cost?
β Basic Installation May Include:
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Fireplace unit
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Gas line connection
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Venting (if applicable)
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Wall or hearth framing/enclosure
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Basic finishing (drywall, tile, stone veneer)
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Labor and permit fees
β Not Typically Included:
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Custom stonework or tile ($500β$3,000+)
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Mantel or built-in cabinetry
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Extended gas line from street or meter
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Electrical upgrades (if adding a blower or remote)
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Chimney work for inserts
π οΈ Add-On Costs to Watch For
Feature | Estimated Cost |
---|---|
Gas line extension (10β30 ft) | $500 β $1,500 |
Blower fan installation | $300 β $600 |
Remote control or smart upgrade | $200 β $500 |
Stone/brick veneer finish | $1,500 β $5,000 |
Permit and inspection fees (AZ) | $150 β $400 |
π§± Gas Fireplace Types Explained
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Vented (Direct Vent)
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Requires venting to the outside
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Realistic flame and efficient heating
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Ideal for newer homes or full remodels
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Ventless (Vent-Free)
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No flue or chimney needed
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More efficient, but not legal in all areas (check with your city code)
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May emit more moisture and indoor pollutants
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Insert
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Fits into an existing wood-burning fireplace
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Gas line and insert installation required
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Popular for fireplace upgrades
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π Pro Tip: Questions to Ask an Installer
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Is the vented or vent-free model permitted by city code?
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Will you handle gas line permitting and inspections?
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What is the total cost including finishing and trims?
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Are there efficiency or rebate programs through SRP or APS?
Checklist For Hiring A Gas Fireplace Contractor In Arizona
β Gas Fireplace Contractor Checklist β Arizona
π§βπ§ 1. Verify Licensing & Insurance
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π² Confirm contractor holds an active license with the Arizona Registrar of Contractors (ROC)
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π² License should cover gas line work, HVAC, or plumbing and heating
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π² Request proof of general liability insurance
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π² Check for workersβ compensation insurance (if they have employees)
π 2. Check Experience & Specialization
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π² Ask how many gas fireplace installs theyβve completed in Arizona
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π² Inquire if they specialize in:
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πΉ New builds
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πΉ Retrofits
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πΉ Outdoor fireplaces
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πΉ Custom enclosures or finishes
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π 3. Confirm Code Compliance
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π² Ask if the contractor will:
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Obtain all necessary permits
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Schedule and coordinate city inspections
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π² Ensure they understand local code requirements for:
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Venting (direct/vertical)
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Ventless fireplace legality (not allowed in some AZ cities)
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Gas pressure requirements
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Carbon monoxide detector placement
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π° 4. Request Detailed Estimates
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π² Get a written quote that includes:
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Fireplace unit cost
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Labor (gas line, framing, venting)
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Materials (pipe, vent kits, enclosure)
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Optional add-ons (mantel, blower, remote)
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π² Ask about change-order costs for surprises or modifications
π§± 5. Understand Scope of Work
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π² Will the contractor handle gas line extension?
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π² Do they do finish work (tile, stone, mantel), or will a separate contractor be needed?
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π² Can they install electrical outlets for blowers or remotes?
π§Ύ 6. Ask About Warranty & Support
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π² Get the warranty in writing for:
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Fireplace unit
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Labor/installation
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π² Do they offer post-installation inspection or service plans?
π 7. Check Reviews & References
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π² Read recent reviews on Google, Yelp, BBB, or Houzz
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π² Ask for 3 local references with similar projects
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π² Look for before/after photos of their work
π 8. Avoid Red Flags
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π« No ROC license or unwilling to provide it
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π« Cash-only jobs or no written contract
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π« Vague or incomplete estimates
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π« Pressure to skip permits or inspections
π‘ Arizona Extras
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π² Confirm if fireplace qualifies for any APS or SRP energy rebates
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π² Ask about desert climate adaptations, like high-heat vents or moisture protection for outdoor units
Contractor Interview Worksheet
π§ Contractor Info
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Contractor Name: ______________________________
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Company Name: ________________________________
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Phone / Email: _________________________________
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Website or ROC License #: ______________________
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Date of Interview: ______________________________
π Credentials & Licensing
Question | Yes/No | Notes |
---|---|---|
Licensed with AZ ROC (active)? | β | ROC #: _____________________ |
Carries liability insurance? | β | |
Has workersβ comp insurance (if they have employees)? | β | |
Will handle all permits and inspections? | β | |
Familiar with local code for gas fireplace installs? | β |
π§° Experience & Scope of Work
Question | Yes/No | Notes |
---|---|---|
Specializes in gas fireplaces (not just HVAC/plumbing)? | β | |
Experience with vented, ventless, and inserts? | β | |
Will they install or extend gas lines? | β | |
Offers venting and framing as part of job? | β | |
Includes electrical setup (for blower/remote)? | β | |
Provides finishing (mantel, tile, surround)? | β | If not, refer who? __________ |
π Estimate & Timeline
Question | Yes/No | Notes |
---|---|---|
Provided a detailed, itemized written quote? | β | Total Estimate: $___________ |
Discussed potential add-ons and change orders? | β | |
Provided a clear project timeline? | β | Start: ______ End: ______ |
Estimated inspection or permit delays explained? | β |
π Warranties & Support
Question | Yes/No | Notes |
---|---|---|
Labor warranty included? | β | Duration: __________________ |
Manufacturerβs warranty explained? | β | |
Offers post-installation service or tune-ups? | β |
π Reviews & References
Question | Yes/No | Notes |
---|---|---|
Provided 2β3 recent client references? | β | Names: _____________________ |
Can show photos of past similar installs? | β | |
Reviewed online reputation (Google/Yelp/BBB)? | β |
π Deal Breakers or Concerns
(Write down any red flags you noticed during the interview)
π Final Notes or Next Steps
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Next contact or follow-up date: ______________________
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Questions to clarify before signing contract:
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GAS FIREPLACE INSTALLATION PHOENIX & CHANDLER, ARIZONA
If you live in Chandler, or surrounding cities in the Phoenix, Arizona area and want a gas fireplace installed; Diversified Builder, Inc. can help! We offer indoor and outdoorΒ fireplace installationΒ in Phoenix & Chandler, Arizona. We also installΒ commercialΒ andΒ residentialΒ brick veneers. Contact us Today!